| 1. | The finite-element method can be regarded as an extension of the displacement method to two-and-three-dimensional continuum problem .
有限单元法可以看作是位移法对二维和三维连续体问题的推广。 |
| 2. | Icm - based topological optimization of three - dimensional continuum structure
方法三维连续体结构拓扑优化 |
| 3. | Limit load analysis of simply supported annular plate under linear load
应力约束下三维连续体结构拓扑优化分析 |
| 4. | A research on the numerical topology optimization technology of large three - dimensional continuum structures considering displacement requirements
考虑位移要求的大型三维连续体结构拓扑优化数值技术研究 |
| 5. | Based on the strain energy equation for the three - dimensional continuum , the finite element formulation for large deflection of three - dimensional beam is developed
本文从三维连续体的应变能出发，推导了空间大挠度梁的静、动力学有限元方程。 |
| 6. | The paper also provides algorithmes about boolean intersection calculation of two protruding polyhedron and the computer programmes for the algorithm . the programmes are of general meanings . boundary conditions and diversified load conditions are dealt with by program
程序同时完成了两个凸多面体布尔求交的算法问题并用程序精确的将其实现，具有普遍的实际意义；程序处理了边界条件、载荷，成功地解决了三维连续体的弹性静力学分析问题的求解。 |
| 7. | Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i . e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel
条装地下结构如隧道、各种埋设管道等一般可看作弹性地基梁进行静力及动力分析在地震条件下，结构与土相互作用，但土的振动成为主要因素为分析土的地震响应需把基土这一三维连续体作简化处理，简化成为等效多质点模型本文着重探讨这种简化模型的建立方法，推导等效方程，通过几种简化体系的分析比较，论证单质点串体系的合理性，并将其应用到广州黄沙芳村珠江水下隧道工程的地震响应分析，为抗震设计提供依据 |
| 8. | The main works of this dissertation are to adopt the standard 3 - dimensional hexahedral meshes and the traditional finite elements to construct the cover system in manifold method ( mm ) , and apply mm to the linear statics analysis of three - dimensional continuous object . the analysis processes developed are programmed
本文的主要工作是采用标准的三维六面体网格(长方体)和传统的有限单元网格来构成三维流形方法的覆盖系统，并将其应用于三维连续体的弹性静力学分析；同时用程序将其成功地实现。 |
